There are certain sounds that we're all wired to react to in particular ways
Low, rumbling sounds in particular tend to make us anxious and alert. In our evolutionary past, these sounds tended to be caused by things that were dangerous; thunder, earthquakes, the roar of a lion.Â
Very high-frequency sounds - Also tend to make us edgy (mosquitos etc)
The upper range of people's voices Tend to calm and relax us, particularly at low volumes. (Babies are relaxed by the sound of their mothers voices, even before the are born). But cognitive dissonance... not to be mistaken for
Consonance and Dissonance
Sudden changes in speed or volume
Heavy heartbeats, breathing